/Engine/Plugins/Animation/MLDeformer/MLDeformerFramework/Source/MLDeformerFrameworkEditor/Public/MLDeformerSampler.h
Set the number of floats used per curve. Values larger than 1 will cause padding with zeros. The first float is always the value. Floats that come after that will contain zeros on default.
void SetNumFloatsPerCurve ( int32 NumFloats )